ProgrammableWeb: the world's largest API repository, GROWING DAILY

Page Speed is an open-source project to help developers optimize their web pages by analyzing the pages and generating tailored suggestions to make the pages faster. Developers can use the Page Speed...

Enjin is a service that helps users build websites for their Minecraft servers, guilds, clans, and other gaming communities. The service comes with its own CMS, blog publishing platform, visual page...

Similarsitecheck is a free and open search engine to find similar and related websites. Our specially developed similarity algorithm Similarsitecheck helps to find alternative webpages. We provide an...

Optimizely provides A/B testing services for comparing the effectiveness of two versions of a web page. Optimizely enables developers to divide site visitors into two groups and to show each group a...

BaseKit is a website creation service that provides users with their own domain and the ability to customize their site without the need for coding. Users can start with a template and then customize...

StatCounter is a service that lets users monitor actual human activity on their web sites in real-time. This data can then be used to perform analysis on visitor habits and more. The StatCounter API...

Monitro is a website monitoring service. Users can monitor up to three sites for free, and then subscribe to monitor more sites. Monitro will let users know if and when their sites monitored go down...

This web harvesting tool has an API which allows one to start, stop, and monitor spider jobs from another web application. The API uses RESTful protocol and responses can be formatted in either XML,...

Page2Images is a website thumbnail creater optimized for mobile devices. Page2Images exposes its service through a REST API. The API allows websites and applications to generate thumbnails of a given...

YUI (Yahoo! User Interface) is a free, open source JavaScript and CSS framework that is also hosted by Yahoo for building richly interactive web applications. YUI is provided under a BSD license and...

Yandex is a Russia based internet company that provides users a way to find answers that they may have while being on the internet. Yandex.Tank is a service that load testing and performance analysis...

Use the APITruck Beta API to access domain name WHOIS information. The API outputs in JSON or XML and has several endpoints to access information like: current and specific WHOIS, WHOIS history, and...

savethis.as is a service that quickly takes a screenshot of a website and converts the view into a .png or .jpg file. The savethis.as API provides the ability to make requests in bulk to return large...

Visualize data with Indicative, a service that provides the main value of business analytics. Even though the API is currently in Beta stage, the documents are available in the website and in Github...

Monitor.Us is a monitoring service for websites, servers, networks, and cloud systems. Users can track response times, load times, and performance from multiple checkpoint locations that cover major...

RealFaviconGenerator is a service for creating favicons that will work across multiple platforms. Favicons are provided for use with desktop PCs and Macs as well as for iOS, Android, and other mobile...

Shivtr is a service for creating online gaming communities with up to six games on each community website. Shivtr supports hundreds of games across many platforms and genres. Its websites are mobile...

Updown is a webservice that checks a websiteâ€™s status by periodically sending a HTTP HEAD request to a specified URL. Developer access to updownâ€™s service is available through a RESTful API. The...

Zoompf provides web performance optimization products and services. The Zoompf API provides developer access to many of the web scan results found in the zoompf application. The RESTful API requires...

Heap Analytics is a service that automatically gathers information on users and user behavior on websites. Heap Analytics collects user data and user behavior data such as page views, click throughs...

MoMA is the provider of the CellSeries Mobile Ability Platform; a mobile Internet site creation tool that uses a drag and drop interface to allow for rapid creation of mobile Internet sites. A number...

UptimeFu is a website and server monitoring service. Users input their domain (or multiple domains) when they register and UptimeFu monitors their status for free. The monitoring system will send an...

whos.amung.us provides widgets that let web site owners know how many visitors on on their site in real time as well as what pages they are on, how many of them there have been in the past, and where...

TestingBot is a website testing service that tests websites in multiple browsers to identify browser-specific bugs. Users can test their websites and web applications in multiple browsers and see the...

Cleanbits is a website that allows companies to see how much pollution their internet infrastructure and activities account for as well as gives them the opportunity to offset it through wind energy...